Valve Spring Kit 66-E84Bt 20-2110Racing Valve Spring KitDesigned for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm Progressively wound springs using Kobe super clean, chromium silicon(CrSi) based wire that is heat treated and shot peened Complete set for one engine Made in the USA Spring base fits 0. 565"
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product description
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Racing Valve Spring Kit
Designed for its specific application, taking into account several critical parameters including; cam profiles, harmonics, natural frequency of the springs, valvetrain mass, required pressure, wire stress, fatigue life, and engine rpm
Progressively wound springs using Kobe super-clean, chromium silicon(CrSi) based wire that is heat treated and shot peened
Complete set for one engine
Made in the USA
Spring base fits 0.565" guide.
Kit Includes:
• 4x CrSi Valve Spring
• 4x Aluminium Alloy Retainers
• 4x H.T. Steel Basewashers
• 4x H.T. Steel Keepers (Pairs)